A randomized 25 question test from a pool of 761 questions, good luck!
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the smallest in area covered?
There are several different ways to let an operator know about an alarm in any HMI. Which of the answers below would best be described as a horn being sounded?
Which of the answers below best represents one of the recommended standards in regards to Instrumentation?
There are many options to choose from for alarm states. Which of the following alarm states can be best described as a temporary suppression of an alarm?
Open communication protocols have several disadvantages. Which of the answers provided below represents one that is not a disadvantage?
Baseband NRZ signalling is the standard for all physical connections with Ethernet. Which of the signalling methods below has the disadvantage of losing the clock signal when spaces are transmitted for an extended series?
A modern DCS needs to be able to respond to growing demands. Which of the terms below is best defined as the measure of a system's ability to increase or decrease in performance and cost in response to changes in application and system processing demands.
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best represent the image below?
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as controllers and operator stations that are separated physically from the central control system?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a holding register to the slave device
There are many options to choose from for alarm states. Which of the following alarm states can be best described as when the operating conditions automatically suppress an alarm?
The quality of a OUT parameter status field has several different classifications. Which of the classifications below can be described as the value may be useful, but of diminished quality?
Communication that is wireless in a SCADA system is common. Which of the communication methods below would be best defined as one that is a last resort, when no other means of communication is available?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "I"?
Which of the answers below is best described as an instrument database that can be modern control systems can access?
Of all the ways to relate the speed of serial communication, which of the answers below is not one? Choose the answer that best applies.
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make the I/O of a DCS and it's associated controllers communicate?
Which of the data rates below best represent one that is not used on a DeviceNet segment?
Which of the answers below best describes the number of pins in a standard B USB connector?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a series of 10 coils to the slave device?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that coverts the analog signals from T/Cs and RTDs to a digital signal?
There are various subsystems within any HMI. Which of the tasks below would be the primary responsibility of the alarm subsystem?
Which of the messaging types below is best described as direct communication with a field device initiated by the scanner module?
Any SCADA system must adhere to universal standards which allow smooth communication over international boundaries. Which of the standards below would allow power lines to carry stable low-speed communication?
There has to be a way for data to be communicated to the systems I/O for a HMI application to be effective. Which of the terms below best represents the pool of information for this communication?